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12th CBSE

IMPORTANT

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Explain, using suitable diagrams, the difference in the behavior of a (i) conductor and (ii) dielectric in the presence of the external electric field. Define the term polarization of a dielectric and write its relationship with susceptibility.

Important Questions on Electrostatic Potential and Capacitance

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12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 47

A capacitor is charged with a battery and then its plate separation is increased without disconnecting the battery. What will be the change in the charge stored in the capacitor.

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 47

A capacitor is charged with a battery and then its plate separation is increased without disconnecting the battery. What will be the change in energy stored in the capacitor.

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 47

A capacitor is charged with a battery and then its plate separation is increased without disconnecting the battery. What will be the change in the potential difference across the plates of the capacitor?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 47

A capacitor is charged with a battery and then its plate separation is increased without disconnecting the battery. What will be the change in the electric field between the plates of the capacitor?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 48

The charges $q_{1} = 3 μF, q_{2} = 4 μF$ and $q_{3} = - 7 μF$ are placed on the circumference of a circle of radius $1.0 m$ , as shown in Figure below. What is the value of charge $q_{4}$ placed on the same circle if the potential at centre, $V_{C} = 0$ ?

Question Image

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12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 49

Two thin concentric shells of radii

r_{1}

and

r_{2} (r_{2} ≫ r_{1})

have charges

q_{1}

and

q_{2}

. Write the expression for the potential at the surface of inner and outer shells.

MEDIUM

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 50

A charge

Q

is distributed uniformly over a metallic sphere of radius

R

obtain the expressions for the electric field

(E)

and electric potential

(V)

at a point

0 < x < R

. Show on a plot the variation of

E

and

V

with

x

for

0 < x < 2 R

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 2 - Electrostatic Potential and Capacitance>Text Based Exercises>Q 51

A long charged cylinder of linear charge density

+ λ_{1}

is surrounded by a hollow coaxial conducting cylinder of linear charge density

- λ_{2}

. Use Gauss’s law to obtain expression for the electric field at a point in the space between the cylinders.

Explain, using suitable diagrams, the difference in the behavior of a (i) conductor and (ii) dielectric in the presence of the external electric field. Define the term polarization of a dielectric and write its relationship with susceptibility.

Important Questions on Electrostatic Potential and Capacitance

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